EP 3460503 B1 20230816 - SECURE WIRELESS RANGING
Title (en)
SECURE WIRELESS RANGING
Title (de)
SICHERE DRAHTLOSE ENTFERNUNGSMESSUNG
Title (fr)
TÉLÉMÉTRIE SANS FIL SÉCURISÉE
Publication
Application
Priority
- US 201662342466 P 20160527
- US 201615227391 A 20160803
- EP 17165458 A 20170407
Abstract (en)
[origin: EP3249420A1] Embodiments for securely determining a separation distance between wireless communication devices is provided. These embodiments include receiving a measurement request and a first random identifier from a first wireless communication device at a second wireless communication device. The embodiments also includes deriving a transient key using the first random identifier, a second random identifier (generated by the second device), and a pre-shared key. The first and second random identifiers, the pre-shared key, and the transient key derived therefrom are shared between the first and second devices, but are not known to any other devices. The embodiments further include encrypting measurement data exchanged between the two devices using the transient key, and using the encrypted measurement data to calculate and verify a separation distance between the devices. The embodiments thus prevent dishonest wireless communication devices from intercepting communications and spoofing a location of one of the two honest devices.
IPC 8 full level
H04L 9/40 (2022.01); G01S 5/02 (2010.01); G01S 11/02 (2010.01); H04W 4/80 (2018.01); H04W 12/02 (2009.01); H04W 12/12 (2021.01); H04W 12/33 (2021.01); H04W 12/64 (2021.01); H04W 84/12 (2009.01); H04W 88/02 (2009.01)
CPC (source: CN EP US)
G01S 5/0244 (2020.05 - CN EP US); G01S 11/02 (2013.01 - EP US); H04L 9/0866 (2013.01 - CN); H04L 9/0869 (2013.01 - CN); H04L 63/0435 (2013.01 - US); H04L 63/1466 (2013.01 - EP US); H04L 67/52 (2022.05 - US); H04W 4/023 (2013.01 - CN); H04W 4/80 (2018.01 - EP US); H04W 12/02 (2013.01 - CN EP US); H04W 12/04 (2013.01 - CN); H04W 12/12 (2013.01 - EP US); H04W 12/33 (2021.01 - EP); H04W 12/64 (2021.01 - CN EP US); H04W 64/003 (2013.01 - US); G01S 5/0289 (2013.01 - EP US); H04L 2463/121 (2013.01 - US); H04W 84/12 (2013.01 - US); H04W 88/02 (2013.01 - US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3249420 A1 20171129; EP 3249420 B1 20181219; CN 107438230 A 20171205; CN 107438230 B 20200707; EP 3460503 A1 20190327; EP 3460503 B1 20230816; US 10033760 B2 20180724; US 10567428 B2 20200218; US 2017346852 A1 20171130; US 2018332075 A1 20181115
DOCDB simple family (application)
EP 17165458 A 20170407; CN 201710284433 A 20170427; EP 18206259 A 20170407; US 201615227391 A 20160803; US 201816031459 A 20180710